Start it at no particular time of your life; wander at your free will all over your life; talk only about the thing which interests you for the moment; drop it the moment its interest threatens to pale.

It is discouraging to try to penetrate a mind like yours. You ought to get it out and dance on it. That would take some of the rigidity out of it.

...mastery of the art and spirit of the Germanic language enables a man to travel all day in one sentence without changing cars.

The Christian's Bible is a drug store. Its contents remain the same, but the medical practice changes.

Who knows, he may grow up to be President someday, unless they hang him first!" Aunt Polly about Tom Sawyer

I do not see how astronomers can help feeling exquisitely insignificant, for every new page of the Book of the Heavens they open reveals to them more and more that the world we are so proud of is to the universe of careening globes as is one mosquito to the winged and hoofed flocks and herds that darken the air and populate the plains and forests of all the earth. If you killed the mosquito would it be missed? Verily, What is Man, that he should be considered of God?

It is by the goodness of God that in our country we have those three unspeakably precious things: freedom of speech, freedom of conscience, and the prudence never to practice either of them.